ASoC: SOF: Remove dmab and dmab_bdl from snd_sof_dev struct

The dmab and dmab_bdl is not used by any platform, it can be removed from
struct snd_sof_dev.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Link: https://lore.kernel.org/r/20220330201926.1330402-3-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/sof-priv.h

@@ -457,8 +457,6 @@ struct snd_sof_dev {
 	bool ipc_dump_printed;
 
 	/* firmware loader */
-	struct snd_dma_buffer dmab;
-	struct snd_dma_buffer dmab_bdl;
 	struct sof_ipc_fw_ready fw_ready;
 	struct sof_ipc_fw_version fw_version;
 	struct sof_ipc_cc_version *cc_version;